Encyclopedia of Microtonal Music Theory

minor-6th / minor sixth / min6 / m6

[Joe Monzo]

The smaller of the two diatonic intervals which encompass 6 degrees of the of the diatonic scale. The minor-6th is composed of 3 tones (i.e., whole-tones) and 2 diatonic semitones, and is one chromatic semitone smaller than the major-6th.